Threefold moves for the Rubik’s Cube
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(See also
one-face moves for the Rubik’s cube.)
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(1) |
B2 •
R’ D R F D F’ •
U
F D’ F’ R’ D’ R •
U’ •
B2
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This also rotates the back corner piece counterclockwise.
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(2) Do parts (a) and (b): |
Part a:
R •
U’ R’ F’ L’ B’ •
U’ BLFR •
U2 •
R’
Part b:
L’ •
D LBRF •
D F’ R’ B’ L’ •
D2 •
L
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Part (a) does the clockwise floret on the front three sides;
part (b) does the counterclockwise floret on the back three sides.
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(3) |
F2 U2 F’ R2 F
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(do part 2a)
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F’ R2 F U2 F2
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From the back three sides, this looks like a counterclockwise (5).
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(4) |
F L2 F’
L F R’ F’ L’ F R F’
F L2 F’
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From the back three sides, this looks like a counterclockwise (6).
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(5) |
F2 R2 F U2 F’
(do part 2a)
F U2 F’ R2 F2
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From the back three sides, this looks like a counterclockwise (3).
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(6) |
R’ F
L’ U R U’ L U R’ U’
F’ R
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From the back three sides, this looks like a counterclockwise (4).
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(7) |
V’ H V H’
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Key
-
F, R, B,
L, U, D: quarter-turn clockwise (as viewed from
outside of the cube) of front, right, back, left, up, and down
faces, respectively.
- F2, etc.: half-turn of front face, etc.
- F’, etc.: counterclockwise quarter-turn of front face, etc.
(This is shorthand for F-1.)
- Bullets (•) are used as delimiters, solely for mnemonic purposes.
- S and S’ are slice and antislice moves,
respectively.
While the other moves leave the centerposts in place, the slice and
antislice move the centerposts, as shown:
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S |
S’ |
- Related to these are the horizontal and vertical slice moves,
and their corresponding antislice moves:
John Kerl
2010-04-15
Note: I gathered these processes from various sources, almost
twenty years ago. I’d love to cite their originators, but alas,
at this point I have no idea who they are.
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